The Lexicomm ViLX-EX8 system expander panel can accept up to eight lines of outstation, (Type A fixed phones, Type B refuge hands free points) as required.

The ViLX-EX8 has inbuilt networking allowing it to form one of the 64 panels on a Lexicomm network installation allowing a total of 512 outstations to be accommodated. Each panel on the Lexicomm network can be a master station or ViLX-EX8 system expander.